Acta Agronomica Hungarica
Volume/Issue:
Volume 51: Issue 2
Genetic analysis of yield and its component traits in spring wheat
Authors:
S. K. Joshi All India Coordinated Wheat and Barley Improvement Project, Rajasthan Agriculture University, Agricultural Research Station Durgapura, Jaipur, Rajasthan, India

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S. N. Sharma Department of Genetics and Plant Breeding, Rajastan Agriculture University Agricultural Reserch Station, Durgapura, Jaipur, India

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D. L. Singhania All India Coordinated Wheat and Barley Improvement Project, Rajasthan Agriculture University, Agricultural Research Station Durgapura, Jaipur, Rajasthan, India

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R. S. Sain All India Coordinated Wheat and Barley Improvement Project, Rajasthan Agriculture University, Agricultural Research Station Durgapura, Jaipur, Rajasthan, India

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Pages:
139–147
Online Publication Date:
22 Jul 2005
Publication Date:
01 Jul 2003
Article Category:
Research Article
DOI:
https://doi.org/10.1556/AAgr.51.2003.2.1
Keywords:
bread wheat; bread wheat; bread wheat; variety; gene effects; heterosis; yield components
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Combining ability analysis in spring wheat (Triticum aestivum L. em. Thell) involving 10 diverse parents and their 45 F1 and F2 progenies indicated significant differences between the parents for GCA and between the crosses for SCA for all the characters studied. The GCA and SCA components of variance were significant for all the traits. However, the GCA component of variance was predominant, indicating the predominance of additive gene effects for the traits studied. Among the parents HD 2329, Raj 1972, HD 2285 and HD 2428 were the best general combiners for grain yield and average to high combiners for other important traits. The best specific crosses for grain yield were CPAN 3004 × Durgapura 65, Sonalika × HD 2329, Raj 3077 × CPAN 3004, Raj 3077 × HD 2428 and HD 2428 × WH 157.The parent Raj 1972 was the best general combiner for grain yield and protein content, while Raj 3077 and Lok-1 were the best general combiners for protein content. The most suitable specific crosses for protein content were HD 2329 x HD 2285, HD 2428 × Raj 1972 and CPAN 3004 × WH 157. Most of the specific crosses for grain yield and protein content involved high × average, average × average or average × poor general combiners. To ensure a further increase in grain yield along with high protein, combinations of desirable yield components are advocated. The exploitation of additive and non-additive gene actions through bi-parental mating and/or diallel selective mating systems are suggested for a tangible advance in grain yield coupled with high protein in spring wheat.

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Cover Acta Agronomica Hungarica
Acta Agronomica Hungarica
Print ISSN:
0238-0161
Online ISSN:
1588-2527

Acta Agronomica Hungarica
Language English
Russian
German
French
Size  
Year of
Foundation		 1950
Publication
Programme		 ceased
Volumes
per Year		  
Issues
per Year		  
Founder Magyar Tudományos Akadémia   
Founder's
Address		 H-1051 Budapest, Hungary, Széchenyi István tér 9.
Publisher Akadémiai Kiadó
Publisher's
Address		 H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
Responsible
Publisher		 Chief Executive Officer, Akadémiai Kiadó
ISSN 0238-0161 (Print)
ISSN 1588-2527 (Online)

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